1401201017066 has 16 divisors (see below), whose sum is σ = 2112021115560. Its totient is φ = 697199920320.

The previous prime is 1401201017039. The next prime is 1401201017147. The reversal of 1401201017066 is 6607101021041.

It can be written as a sum of positive squares in 4 ways, for example, as 900249904225 + 500951112841 = 948815^2 + 707779^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013045 + ... + 1956696.

Almost surely, 2^{1401201017066} is an apocalyptic number.

1401201017066 is a deficient number, since it is larger than the sum of its proper divisors (710820098494).

1401201017066 is a wasteful number, since it uses less digits than its factorization.

1401201017066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970889.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 1401201017066 in words is "one trillion, four hundred one billion, two hundred one million, seventeen thousand, sixty-six".